<template>
  <div class="login_centainer">
    <div class="login_box">
      <!-- 头像 -->
      <div class="avatar_box">
        <img src="../assets/logo.png" alt />
      </div>
      <!-- 登陆表单 -->
      <el-form
        class="login_form"
        ref="resetloginForm"
        :rules="loginFormRules"
        :model="loginForm"
        label-width="0px"
      >
        <!-- 用户名 -->
        <el-form-item prop="username">
          <el-input v-model="loginForm.username" prefix-icon="el-icon-user"></el-input>
        </el-form-item>
        <!-- 密码 -->
        <el-form-item prop="password">
          <el-input v-model="loginForm.password" prefix-icon="el-icon-lock" type="password"></el-input>
        </el-form-item>
        <!-- 用户名 -->
        <el-form-item class="btns">
          <el-button type="primary" @click="login">登陆</el-button>
          <el-button type="info" @click="resetloginForm">重置</el-button>
        </el-form-item>
      </el-form>
    </div>
  </div>
</template>

<script>
export default {
  data() {
    return {
      loginForm: {
        username: "admin",
        password: "123456",
      },
      loginFormRules: {
        username: [
          { required: true, message: "请输入用户名", trigger: "blur" },
          {
            min: 3,
            max: 10,
            message: "长度在 3 到 10 个字符",
            trigger: "blur",
          },
        ],
        password: [
          { required: true, message: "请输入密码", trigger: "blur" },
          {
            min: 6,
            max: 15,
            message: "长度在 6 到 15 个字符",
            trigger: "blur",
          },
        ],
      },
    };
  },
  methods: {
    resetloginForm() {
      this.$refs.resetloginForm.resetFields();
    },
    login() {
      this.$refs.resetloginForm.validate(async (valid) => {
        if (!valid) return;
        const { data: res } = await this.$http.post("login", this.loginForm);
        if (res.meta.status != 200) return this.$message.error("登陆失败");
        this.$message.success("登陆成功");
        //登陆成功的token保存在sessionStorage中
        window.sessionStorage.setItem("token", res.data.token);
        //成功后跳转页面
        this.$router.push("/home");
      });
    },
  },
};
</script>

<style lang="less" scoped>
.login_centainer {
  background-color: #e0e8f5;
  height: 100%;
  display: flex;
  justify-content: center;
  align-items: center;

  .login_box {
    width: 450px;
    height: 300px;
    background-color: #fff;
    border-radius: 5%;
    box-shadow: 0 0 10px #ddd;
    position: absolute;
    .avatar_box {
      height: 110px;
      width: 110px;
      border: 1px solid #eee;
      border-radius: 50%;
        paddi==` ng: 10px;
      box-shadow: 0 0 10px #ddd;
      position: absolute;
      left: 50%;
      margin-left: -65px;
      margin-top: -65px;
      background-color: #fff;

      img {
        width: 100%;
        height: 100%;
        border-radius: 50%;
        background-color: #eee;
      }
    }
  }
}

.login_form {
  position: absolute;
  bottom: 10px;
  width: 100%;
  padding: 0 20px;
  box-sizing: border-box;
}
.btns {
  display: flex;
  justify-content: center;
  align-items: center;
}
</style>